SPL Parts solid aluminum subframe bushings for Nissan 350Z and Infiniti G35 replace soft factory mounts to stop subframe movement under drivetrain torque and suspension loads, maintaining suspension geometry and reducing wheel hop. The slide‑in shim system allows quick roll center and anti‑squat adjustments, and optional rubber isolation washers limit noise transfer. CNC-machined billet aluminum; sold as a complete kit for one car, made in the USA.
SPL Parts 03-08 Nissan 350Z Solid Subframe Bushings